ZHANG Desheng · CCSA
215rank
+19.5Butler · 100 bds
+0.20per board
±4.0swing
+0.53vs par /bd · #117/567
+0.38adjusted /bd
by round
vs par split: bidding +0.27 · play +0.29
Strength of schedule: opponents averaged +0.18/bd (a tough draw) → opponent-adjusted +0.38/bd
Card play — on target: opening leads 80.0% #285 of 567 · declarer play 87.5% #56 of 567 · defence 83.3% #269 of 567
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 77.8% (9) | 81.2% (16) |
| Declarer play | 100.0% (7) | 82.4% (17) |
| Defence | 76.5% (17) | 86.5% (37) |
Opening leads by suit led: ♠ 75.0% (8) · ♥ 85.7% (7) · ♦ 66.7% (6) · ♣ 100.0% (4)
vs par by strain: NT +0.90 (31) · a suit +0.41 (68)
vs par by level: part-score +1.20 (49) · game -0.30 (47) · slam +3.67 (3)
By role: declaring +0.29/bd (-0.89 vs par · 45) · defending +0.12/bd (+1.69 vs par · 55)
By vulnerability: vulnerable -0.22/bd (-0.12 vs par · 49) · not vulnerable +0.60/bd (+1.16 vs par · 51)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Z.Yao | M.Szymanowski – P.Bizon | Open | 10 | +0.0 | +0.00 | +0.60 |
| Round 2 | Z.Yao | J.Ma – C.Dong | Closed | 10 | +17.8 | +1.78 | +3.80 |
| Round 4 | Z.Yao | L.Li – Y.Wang | Open | 10 | +14.3 | +1.43 | +1.30 |
| Round 5 | Z.Yao | G.Sun – Y.Zhang | Closed | 10 | -15.6 | -1.56 | -0.60 |
| Round 7 | Z.Yao | J.Yan – Q.Zhang | Open | 10 | -3.7 | -0.37 | -2.40 |
| Round 8 | Z.Yao | J.Rayner – N.Hanna | Closed | 10 | -5.2 | -0.52 | -0.50 |
| Round 10 | Z.Yao | S.Wong – W.Chan | Closed | 10 | +7.1 | +0.71 | +2.70 |
| Round 11 | Z.Yao | J.Zhou – X.Wei | Open | 10 | -11.3 | -1.13 | -0.40 |
| Round 14 | Z.Yao | J.Li – J.Hu | Open | 10 | +1.2 | +0.12 | +1.70 |
| Round 15 | Z.Yao | D.Wang – N.Li | Open | 10 | +14.9 | +1.49 | -0.90 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +9.3 | Round 7 | WUHAN XINGYUTU MEDIA | 8 | 6♣ | ♦Q | = | +0 |
| +8.2 | Round 15 | BEIJINGXUGUANG | 28 | 6NT | ♥J | = | +0 |
| +7.5 | Round 2 | CRE8IVE | 16 | 3NT | ♠10 | -2 | +6 |
| +7.2 | Round 14 | JSQX NJZS BRIDGECLUB | 19 | 2♠x | ♦A | -2 | +9 |
| +7.1 | Round 15 | BEIJINGXUGUANG | 30 | 3NT | ♦4 | = | +6 |
| +6.7 | Round 2 | CRE8IVE | 11 | 5♦ | ♥2 | -1 | +10 |
| +6.6 | Round 10 | FAR EAST | 7 | 2NT | ♥3 | +1 | +10 |
| +6.5 | Round 15 | BEIJINGXUGUANG | 22 | 3NT | ♥4 | +1 | +1 |
| +6.3 | Round 7 | WUHAN XINGYUTU MEDIA | 6 | 2♥ | ♦6 | -1 | +7 |
| +6.0 | Round 4 | CHINA HUOCHETOU | 7 | 4♠ | ♥K | -1 | +6 |
| +5.2 | Round 8 | CANADA Seniors | 19 | 3NT | ♥Q | -2 | +11 |
| +5.1 | Round 11 | CHENGDUGUOLI | 11 | 3NT | ♠4 | +1 | +8 |
| +4.9 | Round 1 | POLAND Seniors | 5 | 4♠ | ♣10 | +1 | +1 |
| +4.5 | Round 14 | JSQX NJZS BRIDGECLUB | 15 | 4♠ | ♥5 | = | +11 |
| +4.1 | Round 15 | BEIJINGXUGUANG | 23 | 1NT | ♠K | = | +5 |
| +4.0 | Round 2 | CRE8IVE | 17 | 4♠ | ♥A | -1 | +10 |
| +4.0 | Round 4 | CHINA HUOCHETOU | 5 | 4♠x | ♥A | = | +4 |
| +3.9 | Round 4 | CHINA HUOCHETOU | 9 | 2♣ | ♦J | -1 | -1 |
| +3.7 | Round 10 | FAR EAST | 4 | 2♠ | ♥5 | = | +6 |
| +3.6 | Round 4 | CHINA HUOCHETOU | 2 | 5♥ | ♦A | = | +6 |
| +3.6 | Round 5 | PIONEERS | 19 | 4♠ | ♥4 | -1 | +5 |
| +3.4 | Round 2 | CRE8IVE | 18 | 1NT | ♠A | +1 | +1 |
| +3.3 | Round 2 | CRE8IVE | 15 | 4♥ | ♦10 | = | +6 |
| +3.2 | Round 1 | POLAND Seniors | 9 | 2♣ | ♥Q | -2 | +7 |
| +3.2 | Round 4 | CHINA HUOCHETOU | 8 | 2♠ | ♣10 | +1 | +1 |
| +3.1 | Round 14 | JSQX NJZS BRIDGECLUB | 16 | 4♠x | ♥A | -1 | +6 |
| +3.1 | Round 15 | BEIJINGXUGUANG | 21 | 4♥ | ♠6 | -1 | +6 |
| +2.8 | Round 14 | JSQX NJZS BRIDGECLUB | 20 | 2♥ | ♦A | = | +6 |
| +2.7 | Round 7 | WUHAN XINGYUTU MEDIA | 2 | 2♠ | ♣A | = | +5 |
| +2.5 | Round 10 | FAR EAST | 5 | 3♥ | ♠6 | = | +6 |
| +2.3 | Round 7 | WUHAN XINGYUTU MEDIA | 7 | 2♣x | ♠2 | -1 | +3 |
| +2.3 | Round 10 | FAR EAST | 10 | 2♠ | ♦4 | +1 | +1 |
| +1.9 | Round 8 | CANADA Seniors | 17 | 4♥ | ♠A | -1 | -2 |
| +1.7 | Round 5 | PIONEERS | 18 | 3NT | ♠4 | -1 | +6 |
| +1.7 | Round 10 | FAR EAST | 1 | 1NT | ♦10 | = | +5 |
| +1.5 | Round 14 | JSQX NJZS BRIDGECLUB | 12 | 4♠ | ♥10 | +1 | +1 |
| +1.4 | Round 10 | FAR EAST | 9 | Pass | -3 | ||
| +1.4 | Round 11 | CHENGDUGUOLI | 12 | 3NT | ♠6 | +1 | +0 |
| +1.2 | Round 1 | POLAND Seniors | 7 | 2NT | ♠3 | +1 | +1 |
| +1.2 | Round 2 | CRE8IVE | 20 | 3♠ | ♥A | = | +8 |
| +0.9 | Round 4 | CHINA HUOCHETOU | 6 | 2♥ | ♠7 | -1 | +0 |
| +0.8 | Round 11 | CHENGDUGUOLI | 20 | 1NT | ♦5 | = | +1 |
| +0.7 | Round 14 | JSQX NJZS BRIDGECLUB | 14 | 2♣x | ♦6 | -1 | +0 |
| +0.6 | Round 1 | POLAND Seniors | 1 | 2NT | ♦Q | +2 | +6 |
| +0.6 | Round 4 | CHINA HUOCHETOU | 3 | 4♥ | ♦3 | +2 | +11 |
| +0.5 | Round 1 | POLAND Seniors | 2 | 2♠ | ♥J | -1 | -1 |
| +0.5 | Round 8 | CANADA Seniors | 15 | 3NT | ♠7 | = | +1 |
| +0.5 | Round 11 | CHENGDUGUOLI | 14 | 3♣ | ♦3 | +2 | -1 |
| +0.5 | Round 15 | BEIJINGXUGUANG | 25 | 3NT | ♦A | = | +1 |
| +0.3 | Round 4 | CHINA HUOCHETOU | 1 | 4♥ | ♠K | +1 | +0 |
| +0.2 | Round 5 | PIONEERS | 11 | 3♠ | ♠4 | = | +0 |
| +0.1 | Round 5 | PIONEERS | 16 | 3♣ | ♠Q | = | +7 |
| -0.0 | Round 5 | PIONEERS | 17 | 3♠ | ♣5 | = | +0 |
| +0.0 | Round 8 | CANADA Seniors | 11 | 4♠ | ♥A | +1 | +0 |
| -0.0 | Round 8 | CANADA Seniors | 14 | 3NT | ♥8 | +2 | +0 |
| +0.0 | Round 10 | FAR EAST | 8 | 6NT | ♦4 | = | +11 |
| -0.1 | Round 1 | POLAND Seniors | 4 | 2NT | ♠6 | +1 | +0 |
| -0.1 | Round 11 | CHENGDUGUOLI | 16 | 1NT | ♠7 | = | +2 |
| -0.2 | Round 11 | CHENGDUGUOLI | 18 | 2♠ | ♥2 | = | +0 |
| -0.2 | Round 15 | BEIJINGXUGUANG | 24 | 3NT | ♠8 | +2 | +0 |
| -0.3 | Round 8 | CANADA Seniors | 13 | 3♣ | ♠Q | +1 | +0 |
| -0.6 | Round 2 | CRE8IVE | 14 | 3♦ | ♥7 | = | -5 |
| -0.6 | Round 11 | CHENGDUGUOLI | 17 | 2♠ | ♣8 | = | +7 |
| -0.7 | Round 1 | POLAND Seniors | 3 | 2NT | ♠2 | = | +1 |
| -0.8 | Round 7 | WUHAN XINGYUTU MEDIA | 3 | 3♦ | ♣A | = | +0 |
| -1.2 | Round 2 | CRE8IVE | 19 | 2♦ | ♦10 | +2 | +0 |
| -1.3 | Round 15 | BEIJINGXUGUANG | 26 | 3♥ | ♣A | -2 | -10 |
| -1.5 | Round 1 | POLAND Seniors | 6 | 2♥ | ♦6 | = | +7 |
| -1.6 | Round 4 | CHINA HUOCHETOU | 10 | 1NT | ♠5 | +1 | -1 |
| -1.7 | Round 8 | CANADA Seniors | 18 | 5♦ | ♣5 | = | +2 |
| -2.1 | Round 2 | CRE8IVE | 12 | 3♠ | ♥Q | = | +8 |
| -2.1 | Round 5 | PIONEERS | 14 | 1NT | ♦J | +1 | -6 |
| -2.4 | Round 5 | PIONEERS | 15 | 3♥ | ♠A | -1 | +2 |
| -2.4 | Round 10 | FAR EAST | 6 | 4♠ | ♣10 | -1 | -6 |
| -2.4 | Round 14 | JSQX NJZS BRIDGECLUB | 13 | 2♠ | ♥Q | +1 | -1 |
| -2.7 | Round 5 | PIONEERS | 12 | 2♥ | ♣3 | -3 | -1 |
| -2.7 | Round 7 | WUHAN XINGYUTU MEDIA | 4 | 5♦ | ♠K | = | -3 |
| -2.7 | Round 10 | FAR EAST | 2 | 4♠ | ♥A | = | -3 |
| -2.7 | Round 14 | JSQX NJZS BRIDGECLUB | 11 | 3NT | ♣8 | +1 | +0 |
| -2.8 | Round 7 | WUHAN XINGYUTU MEDIA | 5 | 3NT | ♦10 | -1 | -5 |
| -3.1 | Round 1 | POLAND Seniors | 8 | 4♠ | ♥4 | -1 | -10 |
| -3.5 | Round 8 | CANADA Seniors | 12 | 3NT | ♦3 | +3 | -10 |
| -3.5 | Round 8 | CANADA Seniors | 16 | 4♠ | ♥4 | -2 | -7 |
| -3.5 | Round 14 | JSQX NJZS BRIDGECLUB | 18 | 4♥ | ♦4 | +1 | -4 |
| -3.8 | Round 8 | CANADA Seniors | 20 | 3♦ | ♥A | = | +0 |
| -4.4 | Round 2 | CRE8IVE | 13 | 2♠ | ♠4 | = | -6 |
| -4.5 | Round 7 | WUHAN XINGYUTU MEDIA | 10 | 5♦ | ♠Q | -2 | -8 |
| -4.6 | Round 11 | CHENGDUGUOLI | 13 | 3NT | ♦2 | = | -10 |
| -5.0 | Round 1 | POLAND Seniors | 10 | 2♥ | ♣10 | = | -6 |
| -5.1 | Round 5 | PIONEERS | 20 | 4♠ | ♣2 | -1 | -6 |
| -5.1 | Round 11 | CHENGDUGUOLI | 15 | 4♠ | ♦5 | = | +1 |
| -5.2 | Round 15 | BEIJINGXUGUANG | 27 | 3♠ | ♥K | = | -6 |
| -5.5 | Round 7 | WUHAN XINGYUTU MEDIA | 1 | 1NTx | ♣5 | = | -7 |
| -6.0 | Round 10 | FAR EAST | 3 | 5♣ | ♠A | = | +0 |
| -6.6 | Round 4 | CHINA HUOCHETOU | 4 | 5♦ | ♥7 | -1 | -13 |
| -7.9 | Round 15 | BEIJINGXUGUANG | 29 | 5♥x | ♠K | -1 | -12 |
| -8.0 | Round 7 | WUHAN XINGYUTU MEDIA | 9 | 3NT | ♠4 | -1 | -16 |
| -8.5 | Round 11 | CHENGDUGUOLI | 19 | 4♠ | ♣J | -1 | -12 |
| -8.9 | Round 5 | PIONEERS | 13 | 4♠ | ♣Q | -2 | -13 |
| -10.0 | Round 14 | JSQX NJZS BRIDGECLUB | 17 | 4♦ | ♥4 | -2 | -11 |